*{
    padding: 0px;
    margin: 0px;
    font-size: 16px;
    font-family: "Microsoft YaHei";
}
.turnplate_box{
    width: 300px;
    height: 300px;
    margin: 100px auto;
    position: relative; 
}
.turnplate_box canvas{
    position: absolute;
}
#myCanvas{
    background-color: white;
    border-radius: 100%;
}
#myCanvas01,#myCanvas03{
    left: 50px;
    top: 50px;
    z-index: 30;
}
#myCanvas02{
    left: 75px;
    top: 75px;
    z-index: 20;
}
#myCanvas{
    -o-transform:  transform 6s;
    -ms-transform:  transform 6s;
    -moz-transform:  transform 6s;      
    -webkit-transform:  transform 6s;
    transition: transform 6s;
    -o-transform-origin:  50% 50%;
    -ms-transform-origin:  50% 50%;
    -moz-transform-origin:  50% 50%;        
    -webkit-transform-origin:  50% 50%;
    transform-origin: 50% 50%;
}
.turnplatw_btn{
    width: 60px;
    height: 60px;
    left: 120px;
    top: 120px;
    border-radius: 100%;
    position: absolute;
    cursor: pointer;
    border: none;
    background: transparent;
    outline: none;
    z-index: 40;
}
